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1995 Vol. 17, No. 4
Display Method:
1995, 17(4): 337-344.
Abstract:
The paper reveals the relation between linear AND-OR gate and the Emitter Function Logic (EFL). With theoretic calculation and PSPICE simulation, the paper proves that the linear AND-OR gates can work at super-high-speed and can be multi-cascaded. On...
The paper reveals the relation between linear AND-OR gate and the Emitter Function Logic (EFL). With theoretic calculation and PSPICE simulation, the paper proves that the linear AND-OR gates can work at super-high-speed and can be multi-cascaded. On...
1995, 17(4): 345-351.
Abstract:
The balanced operational amplifier including its merits and designing methods is discussed by comparing its performance to a conventional differential output amplifier when used in a single balanced stage. A new balanced OTA circuit design is also pr...
The balanced operational amplifier including its merits and designing methods is discussed by comparing its performance to a conventional differential output amplifier when used in a single balanced stage. A new balanced OTA circuit design is also pr...
1995, 17(4): 352-358.
Abstract:
The dynamic properties of continuous unsymmetic neural networks are discussed, and the condition of existence of unique equilibrium point is obtained. The conditions not producing static state bifurcation and Hopf bifurcation are put forward and the ...
The dynamic properties of continuous unsymmetic neural networks are discussed, and the condition of existence of unique equilibrium point is obtained. The conditions not producing static state bifurcation and Hopf bifurcation are put forward and the ...
1995, 17(4): 359-364.
Abstract:
A new mathematical methodinterval analysis is applied as a tool for fault diagnosis in a tolerance network. The adequate selection of accessible nodes for fault diagnosis at subnetwork-level is investigated by using the method. This is a key problem ...
A new mathematical methodinterval analysis is applied as a tool for fault diagnosis in a tolerance network. The adequate selection of accessible nodes for fault diagnosis at subnetwork-level is investigated by using the method. This is a key problem ...
1995, 17(4): 365-371.
Abstract:
Two intracell C/I balancing techniques are presented for controlling mobiles transmitter powers on the uplinks of a multi-cell cellular CDMA (Code Division Multiple Access) system in order to compensate the combined effects of shadowing and path loss...
Two intracell C/I balancing techniques are presented for controlling mobiles transmitter powers on the uplinks of a multi-cell cellular CDMA (Code Division Multiple Access) system in order to compensate the combined effects of shadowing and path loss...
1995, 17(4): 372-377.
Abstract:
Based on the analysis of Adaptive Moving Target Indication (AMTI), and the signal processing of Synthetic Aperture Radar (SAR), a complete compatible system of AMTI and SAR is put forward. The compatibility and effectiveness of this system is proved ...
Based on the analysis of Adaptive Moving Target Indication (AMTI), and the signal processing of Synthetic Aperture Radar (SAR), a complete compatible system of AMTI and SAR is put forward. The compatibility and effectiveness of this system is proved ...
1995, 17(4): 378-384.
Abstract:
A new time domain finite difference method with variable grids of high accuracy is derived by the polynomial approximation, and applied to analyze the variable-angle transmission line discontinuities. The method has the advantages of comparatively le...
A new time domain finite difference method with variable grids of high accuracy is derived by the polynomial approximation, and applied to analyze the variable-angle transmission line discontinuities. The method has the advantages of comparatively le...
1995, 17(4): 385-390.
Abstract:
The characteristics of coherent radiation produced by a cylindrical electron beam passing through a rectangular waveguide and linearly polarized wig-gler is studied. The instability analysis is based on the linearized Vlasov-Maxwell equations for the...
The characteristics of coherent radiation produced by a cylindrical electron beam passing through a rectangular waveguide and linearly polarized wig-gler is studied. The instability analysis is based on the linearized Vlasov-Maxwell equations for the...
1995, 17(4): 391-396.
Abstract:
Bistatic scattering of a perfectly conducting semicylinder is analysed by using a hybrid method. In the hybrid method, the currents in the close vicinity of edges are represented as unknown coefficients; the first-order currents on the curved face ar...
Bistatic scattering of a perfectly conducting semicylinder is analysed by using a hybrid method. In the hybrid method, the currents in the close vicinity of edges are represented as unknown coefficients; the first-order currents on the curved face ar...
1995, 17(4): 397-403.
Abstract:
The general field expressions for conformal microstrip antennas on cylindrical body are derived based on dyadic Green s functions for concentric-cylindrical layered media. The radiation patterns for various radii, permittivities, and thickness of the...
The general field expressions for conformal microstrip antennas on cylindrical body are derived based on dyadic Green s functions for concentric-cylindrical layered media. The radiation patterns for various radii, permittivities, and thickness of the...
1995, 17(4): 404-411.
Abstract:
Recently, Higher-order statistics have become powerful tools in signal processing field and have been applicable in harmonic retrieval. This paper first analyses the existing correlation-based methods for harmonic retrieval; then summarizes the newly...
Recently, Higher-order statistics have become powerful tools in signal processing field and have been applicable in harmonic retrieval. This paper first analyses the existing correlation-based methods for harmonic retrieval; then summarizes the newly...
1995, 17(4): 412-416.
Abstract:
Characteristic varibles of waveform vector quantizer of speech signal are presented and used to analyze codebook and its training sequence. It includes three parts, i. e., constructing initial codebook efficiently, training codebook fast and quantizi...
Characteristic varibles of waveform vector quantizer of speech signal are presented and used to analyze codebook and its training sequence. It includes three parts, i. e., constructing initial codebook efficiently, training codebook fast and quantizi...
1995, 17(4): 417-420.
Abstract:
This paper disscusses the principle and design of the implementation of a compression storage system for screen graphics-letter. The new system overcomes the shortage of screen storage, and possesses a large compression ratio and a high operating spe...
This paper disscusses the principle and design of the implementation of a compression storage system for screen graphics-letter. The new system overcomes the shortage of screen storage, and possesses a large compression ratio and a high operating spe...
1995, 17(4): 421-425.
Abstract:
By using the apparatus given in this paper the experiment on photo-conductive switches was conducted to investigate the affection of both the laser energy and bias voltage on switch output. By means of the same set-up, the carrier lifetime of Cr: GaA...
By using the apparatus given in this paper the experiment on photo-conductive switches was conducted to investigate the affection of both the laser energy and bias voltage on switch output. By means of the same set-up, the carrier lifetime of Cr: GaA...
1995, 17(4): 426-429.
Abstract:
A simple graphic method for obtaining the real and imaginary parts of the propagation constant of metal-clad planar optical waveguides is presented. This method is straightforward, accurate and valuable
A simple graphic method for obtaining the real and imaginary parts of the propagation constant of metal-clad planar optical waveguides is presented. This method is straightforward, accurate and valuable
1995, 17(4): 430-433.
Abstract:
This paper gives the analytic solutions of axisymmetrical field in a nonlinear longitudinally inhomogeneous self-focusing fiber by using the variational method. The variational solutions are in good agreement with the results of the other references ...
This paper gives the analytic solutions of axisymmetrical field in a nonlinear longitudinally inhomogeneous self-focusing fiber by using the variational method. The variational solutions are in good agreement with the results of the other references ...
1995, 17(4): 434-437.
Abstract:
Transient EM field scattering by underground objects using finite-difference method in time-domain (FDTD) is calculated, and object s response of an EM pulse related to dielectric parameters and underground structure is presented. Conclusions of this...
Transient EM field scattering by underground objects using finite-difference method in time-domain (FDTD) is calculated, and object s response of an EM pulse related to dielectric parameters and underground structure is presented. Conclusions of this...
1995, 17(4): 438-442.
Abstract:
The E-plane waveguide branch directional couplers are analysed by a method which combines the multi-mode network theory with rigorious mode matching approach. The electromagnetic field components are expanded by the superposition of LSEx modes rather...
The E-plane waveguide branch directional couplers are analysed by a method which combines the multi-mode network theory with rigorious mode matching approach. The electromagnetic field components are expanded by the superposition of LSEx modes rather...
1995, 17(4): 443-448.
Abstract:
The error functions of CCII-based integrators are analysed. On this basis, the fully integrated CCII-based continuous-time bandpass filters consisted of double integrator loops are studied, and the relationship between the centre frequency p and Qp a...
The error functions of CCII-based integrators are analysed. On this basis, the fully integrated CCII-based continuous-time bandpass filters consisted of double integrator loops are studied, and the relationship between the centre frequency p and Qp a...
